Anders Roxell bd37f21e9f arm64: perf: set suppress_bind_attrs flag to true ... [ Upstream commit 81e9fa8bab ] The armv8_pmuv3 driver doesn't have a remove function, and when the test 'CONFIG_DEBUG_TEST_DRIVER_REMOVE=y' is enabled, the following Call trace can be seen. [ 1.424287] Failed to register pmu: armv8_pmuv3, reason -17 [ 1.424870] WARNING: CPU: 0 PID: 1 at ../kernel/events/core.c:11771 perf_event_sysfs_init+0x98/0xdc [ 1.425220] Modules linked in: [ 1.425531] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.19.0-rc7-next-20181012-00003-ge7a97b1ad77b-dirty #35 [ 1.425951] Hardware name: linux,dummy-virt (DT) [ 1.426212] pstate: 80000005 (Nzcv daif -PAN -UAO) [ 1.426458] pc : perf_event_sysfs_init+0x98/0xdc [ 1.426720] lr : perf_event_sysfs_init+0x98/0xdc [ 1.426908] sp : ffff00000804bd50 [ 1.427077] x29: ffff00000804bd50 x28: ffff00000934e078 [ 1.427429] x27: ffff000009546000 x26: 0000000000000007 [ 1.427757] x25: ffff000009280710 x24: 00000000ffffffef [ 1.428086] x23: ffff000009408000 x22: 0000000000000000 [ 1.428415] x21: ffff000009136008 x20: ffff000009408730 [ 1.428744] x19: ffff80007b20b400 x18: 000000000000000a [ 1.429075] x17: 0000000000000000 x16: 0000000000000000 [ 1.429418] x15: 0000000000000400 x14: 2e79726f74636572 [ 1.429748] x13: 696420656d617320 x12: 656874206e692065 [ 1.430060] x11: 6d616e20656d6173 x10: 2065687420687469 [ 1.430335] x9 : ffff00000804bd50 x8 : 206e6f7361657220 [ 1.430610] x7 : 2c3376756d705f38 x6 : ffff00000954d7ce [ 1.430880] x5 : 0000000000000000 x4 : 0000000000000000 [ 1.431226] x3 : 0000000000000000 x2 : ffffffffffffffff [ 1.431554] x1 : 4d151327adc50b00 x0 : 0000000000000000 [ 1.431868] Call trace: [ 1.432102] perf_event_sysfs_init+0x98/0xdc [ 1.432382] do_one_initcall+0x6c/0x1a8 [ 1.432637] kernel_init_freeable+0x1bc/0x280 [ 1.432905] kernel_init+0x18/0x160 [ 1.433115] ret_from_fork+0x10/0x18 [ 1.433297] ---[ end trace 27fd415390eb9883 ]--- Rework to set suppress_bind_attrs flag to avoid removing the device when CONFIG_DEBUG_TEST_DRIVER_REMOVE=y, since there's no real reason to remove the armv8_pmuv3 driver. Cc: Arnd Bergmann <arnd@arndb.de> Co-developed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		2019-01-26 09:38:33 +01:00
..
boot	arm64: dts: stratix10: Correct System Manager register size	2018-11-13 11:17:04 -08:00
configs	arm64: defconfig: Enable Rockchip io-domain driver	2018-08-03 07:55:24 +02:00
crypto	crypto: arm64/sha - avoid non-standard inline asm tricks	2018-11-23 08:20:36 +01:00
include	arm64: Don't trap host pointer auth use to EL2	2019-01-23 08:10:53 +01:00
kernel	arm64: perf: set suppress_bind_attrs flag to true	2019-01-26 09:38:33 +01:00
kvm	arm64/kvm: consistently handle host HCR_EL2 flags	2019-01-23 08:10:53 +01:00
lib	arm64: lse: remove -fcall-used-x0 flag	2018-11-13 11:17:03 -08:00
mm	arm64: mm: check for upper PAGE_SHIFT bits in pfn_valid()	2018-09-05 09:20:06 +02:00
net	bpf, arm64: fix out of bounds access in tail call	2018-03-11 16:21:34 +01:00
xen	arm/xen: add support for vm_assist hypercall	2016-07-06 10:42:14 +01:00
Kconfig	arm64: Add ARCH_WORKAROUND_2 probing	2018-07-22 14:27:41 +02:00
Kconfig.debug	arm64: always enable DEBUG_RODATA and remove the Kconfig option	2016-08-26 10:13:41 +01:00
Kconfig.platforms	arm64: rockchip: Force CONFIG_PM on Rockchip systems	2018-09-15 09:43:00 +02:00
Makefile	arm64: remove no-op -p linker flag	2018-12-01 09:44:21 +01:00